According to documents filed at the Court of Appeal in California, Gotterba worked for Travolta’s aircraft company, Alto, for six years before leaving voluntarily in 1987.

Travolta and Gotterba are currently embroiled in a legal dispute over the claims.

Gotterba argues that he was not tied to a confidentiality agreement during his term in the position, which would have prevented him from disclosing the details of “his personal and intimate relationship” with Travolta.Travolta’s attorney, Martin Singer, strongly disputes this.

"It's just about people wanting money. That's all. It happens on many levels.

"Also, I don't care that much about it. Other people may attack it back more than I do, but I let all the media stuff go a long time ago because I can't control it.

"I think that's why it persists, to some degree."

However, Travolta’s lawyer, Martin Singer, first heard that Gotterba had "given statements" to the National Enquirer, and was planning to chart his time with Travolta in a tell-all book, in 2012.

Singer warned Gotterba in June the same year that breaching the purported four-page "enforceable" gagging order could lead to a payment running to "tens of millions of dollars". "You proceed at your peril," he said.

Gotterba denies having ever signed such a termination agreement, despite Alto’s insistence that he did so in April 1991.